Bootstrap It is the most popular front-end component library in the world , Used to develop responsive layouts 、 Mobile devices are preferred WEB project .
Who is suitable for reading this tutorial ？
As long as you have HTML and CSS Basic knowledge of , You can read this tutorial , And then develop your own website . After you finish this tutorial , You can use Bootstrap development Web Medium level of the project .
Before reading this tutorial , What you need to know ：
Why use Bootstrap
Easy to use ： Just for HTML and CSS People with basic knowledge can use it very quickly Bootstrap.
Responsive design ：Bootstrap According to different platforms （ mobile phone 、 Tablets and desktops ） Make adjustments .
Mobile priority ： stay Bootstrap in , Adaptive mobile terminal is the core of the framework .
Browser compatibility ：Bootstrap5 Compatible with all major browsers （Chrome、Firefox、Edge、Safari and Opera）. If you need support IE11 And below , Please use Bootstrap4 Or Bootstrap3.
Here is a simple Bootstrap5 example ：
Give it a try »
Bootstrap5 And Bootstrap 3 & 4
Bootstrap5 yes Bootstrap The latest version of , New components used 、 Faster stylesheets and faster responsiveness .
Bootstrap5 Support all major latest stable browsers , But it doesn't support Internet Explorer 11 And below .
Bootstrap5 IE11 The following versions of the browser ,Bootstrap4 Give up on IE8 And iOS 6 Support of . If you need to be compatible with older browsers , Then please use Bootstrap3.
be careful ： At present, the official team is still maintaining Bootstrap 3 and Bootstrap 4 , We can continue to use them , however , Not to Bootstrap 3 & 4 Add new features .